Cows can sleep standing up, but they can only dream lying down.
745
Lobsters have blue blood.
476
Jellyfish as a species are actually older than dinosaurs and sharks.
383
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13